PRP Records

Probable Primes Top 10000

(302606 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
800128561^5182+5182^28561106090Hans Havermann10/2020
8002(182*10^106083+43)/9106085Robert Price02/2020
8003(266*10^106066+1)/3106068Robert Price04/2020
8004(7*10^106066-187)/9106066Tyler Busby01/2023
80052^352228-18953106032Enzo Doria05/2013
8006(2^352223+1118)/2106030Stefano Morozzi09/2020
8007(2^352212+2250)/2106027Stefano Morozzi01/2021
8008(2^352136+2638)/2106004Stefano Morozzi09/2020
80092^352107+1872533105995Enzo Doria05/2016
8010(2^352096+2086)/2105992Stefano Morozzi09/2020
80112^352066-2591105983Yves Minet07/2014
80122^352030+715105972Lelio R Paula10/2011
80139*6^136176-5105967Lelio R Paula11/2014
801417099*2^351991+58329105965Paul Vanderveen12/2017
8015122^50789-50789^122105965Norman Luhn09/2024
801628582^5097+5097^28582105963Hans Havermann09/2020
8017155^48377+2105962Lelio R Paula08/2013
8018(23*10^105944-119)/3105945Robert Price07/2021
80192^351865+1869707105922Enzo Doria05/2016
802024974^17427+17427^24974105921Hans Havermann09/2020
802125163^16194+16194^25163105920Hans Havermann09/2020
80222^351831+23105912Lelio R Paula10/2011
8023(2^351818+3798)/2105908Stefano Morozzi02/2021
80249*2^351784-5105899Lelio R Paula09/2014
8025(2^351776+2766)/2105895Stefano Morozzi01/2021
8026(85*10^105881+203)/9105882Robert Price09/2020
80272^351671-112387105864Enzo Doria06/2014
80282^351669-109501105863Enzo Doria04/2014
80292^351644+74731105856Enzo Doria04/2016
803013^95025-42105853Lelio R Paula12/2016
80312^351599+15015105842Lelio R Paula01/2017
803219^82763+90105834Lelio R Paula01/2017
8033(205*10^105831-1)/3105833Robert Price11/2021
803426050^11551+11551^26050105832Hans Havermann09/2020
8035(9179*2^351540-1)/221105826Lelio R Paula05/2015
803620^81329-51105812Lelio R Paula01/2017
8037(5*10^105811+211)/9105811Robert Price02/2018
80382^351483+28425105807Lelio R Paula01/2017
803925231^15610+15610^25231105804Hans Havermann09/2020
804015^89960+86105802Lelio R Paula02/2017
80412^351460-17289105801Enzo Doria05/2013
804219^82735+22105798Lelio R Paula01/2017
80432^351435-109077105793Enzo Doria04/2014
80442^351393+1089105780Lelio R Paula01/2017
80452^351364+72631105772Enzo Doria04/2016
8046(2^351333+3626)/2105762Stefano Morozzi09/2020
804726818^8783+8783^26818105761Hans Havermann09/2020
80502^351305+1872467105754Enzo Doria05/2016
80493^221649+16105754Lelio R Paula11/2016
804832511^1790+1790^32511105754Hans Havermann09/2020
80518*3^221637-5105749Lelio R Paula09/2014
80522^351279-2780449105746Enzo Doria03/2016
8053(2^351263+3198)/2105741Stefano Morozzi09/2020
805415^89903-26105735Lelio R Paula02/2017
80562^351213-73105726Lelio R Paula10/2011
8055(2^351214+1210)/2105726Stefano Morozzi09/2020
80572^351192-4589105720Yves Minet07/2011
805820^81250-33105709Lelio R Paula12/2016
8059(2^351133+3530)/2105702Stefano Morozzi09/2020
8060(2^351103+534)/2105693Stefano Morozzi09/2020
80612^351076-113159105685Enzo Doria07/2014
806293^53688-2105684Lelio R Paula09/2013
80632^351060-4559105680Yves Minet07/2011
8064((10^52836-1)*10000/9+5927)*10^52836+(10^52836-1)/9105676Hans Havermann08/2019
806511^101473-750105674Enzo Doria11/2012
80663*5^151181-8105672Lelio R Paula11/2014
806715^89831-34105650Lelio R Paula02/2017
806911^101448-360105648Enzo Doria08/2012
80683*7^125011+4105648Lelio R Paula11/2014
80702^350943-113269105645Enzo Doria07/2014
80712*10^105636-91105637Robert Price04/2020
807224231^22880+22880^24231105634Hans Havermann09/2020
807335296^983+983^35296105626Hans Havermann09/2020
80742^350868-19725105622Enzo Doria06/2013
80752^350858-59291105619Enzo Doria10/2015
8076V(758484)/1516967/19720583105618Serge Batalov07/2024
80772^350851+135105617Lelio R Paula10/2011
80782^350841-741105614Lelio R Paula01/2017
80793*10^105582+77105583Robert Price09/2018
808024915^17284+17284^24915105581Hans Havermann09/2020
8081(5*10^105576-53)/3105577Robert Price09/2020
80828*10^105571+3105572Robert Price08/2015
80832^350674-78557105564Jorge Menendez03/2018
80842*5^151026-3105563Lelio R Paula11/2014
8085(2^350702+5)/34264674063105562Lelio R Paula12/2013
80866^135647-5^135647105554Jean-Louis Charton02/2009
80873^221211+236105545Lelio R Paula11/2016
8088(32*10^105530-77)/9105531Robert Price06/2018
808910^105515+33105516Lelio R Paula11/2016
809024644^19125+19125^24644105516Hans Havermann10/2020
809110^105515-41033105515Patrick De Geest12/2016
8092(29*2^350473-1)/267927105499Lelio R Paula03/2014
80932^350455-430567105498Harrison Mesh06/2022
809417^85732-72105489Lelio R Paula01/2017
8095(2^350399+3618)/2105481Stefano Morozzi09/2020
8096(2^350379+1010)/2105475Stefano Morozzi09/2020
80972^350356+24241105468Enzo Doria10/2023
809825233^15118+15118^25233105462Hans Havermann09/2020
809926261^10366+10366^26261105454Hans Havermann09/2020
81002^350307-110329105453Enzo Doria05/2014
81012^350253-20365105437Enzo Doria06/2013
8102(3*29^72089-1075)/4105423Curtis Bright05/2015
8103(2^350187+2658)/2105417Stefano Morozzi09/2020
81044*10^105415-69105416Robert Price01/2022
810521^79725-22105414Anonymous09/2024
8106(22*10^105407+179)/3105408Robert Price02/2022
81072^350139-109009105403Enzo Doria04/2014
8108(2^350129+3026)/2105400Stefano Morozzi09/2020
8109(2^350097+2070)/2105390Stefano Morozzi09/2020
81103*5^150763+4105380Lelio R Paula11/2014
811112^97643+91105375Lelio R Paula02/2017
81126*5^150744-7105367Lelio R Paula11/2014
8113(2^350018+2074)/2105366Stefano Morozzi09/2020
81144*10^105364-39105365Robert Price09/2020
8115Phi(156135,-5#)105361Henri Lifchitz12/2025
81172^349996-112169105360Enzo Doria06/2014
8116(2^349997+3702)/2105360Stefano Morozzi09/2020
8118(418*10^105343+23)/9105345Robert Price02/2020
811925490^13563+13563^25490105334Hans Havermann10/2020
8120(5^504004)%F(504004)105330Henri Lifchitz06/2025
812111^101142-1080105329Enzo Doria12/2012
8122(68*10^105320-41)/9105321Robert Price10/2013
812324800^17649+17649^24800105319Hans Havermann09/2020
81243^220712-9934105307Enzo Doria05/2014
81257*10^105296+9105297Robert Price09/2015
812689*10^105284-7105286Robert Price04/2020
81272^349739+1873373105282Enzo Doria06/2016
81287^124574+24105278Lelio R Paula11/2016
81292^349708-20957105273Enzo Doria06/2013
813034115^1218+1218^34115105267Hans Havermann09/2020
813124029^24029-24020^24020105265Henri Lifchitz09/2024
81322^349649-20469105255Enzo Doria06/2013
81332^349607-20109105243Enzo Doria06/2013
8134(85*10^105242+473)/9105243Robert Price01/2020
81352^349594-19085105239Enzo Doria05/2013
81362^349530+1874479105220Enzo Doria06/2016
8137(3^220528+8)/8081105215Lelio R Paula12/2013
8138(106*10^105199+17)/3105201Robert Price04/2021
8139(2^349452+3570)/2105196Stefano Morozzi09/2020
81403^220464-112852105189Enzo Doria07/2014
81412^349419-17349105186Enzo Doria05/2013
81422^349400-2579105180Yves Minet07/2014
81438*5^150471+3105176Lelio R Paula11/2014
8144(2^349359+2298)/2105168Stefano Morozzi02/2021
8145655^37342+37342^655105165Norbert Schneider08/2018
814613^94403+94105160Lelio R Paula12/2016
8147349315*2^349315+3105160Anonymous09/2025
81482^349301-112309105151Enzo Doria06/2014
814930291^2960+2960^30291105149Hans Havermann09/2020
8150Phi(269776,7)105144Henri Lifchitz02/2026
815127350^6981+6981^27350105132Hans Havermann09/2020
81539*2^349220+5105127Lelio R Paula09/2014
8152(2^349225+3122)/2105127Stefano Morozzi09/2020
81547*3^220317+8105119Lelio R Paula09/2014
81557^124386+88105119Lelio R Paula11/2016
8156(2^349197+570)/2105119Stefano Morozzi09/2020
81572^349171-19657105111Enzo Doria06/2013
8158(2^349115+590)/2105094Stefano Morozzi09/2020
8159(2^(6*58185+1)-5)/3105093Kevin Acres11/2013
8160(2^349111-5)/3105093Lelio R Paula12/2013
8161675^37142+37142^675105087Norbert Schneider08/2018
81622^348981-2797573105054Enzo Doria04/2016
8163(445^39667+1)/446105050Jinyuan Wang05/2024
81642^348869-6555105021Lelio R Paula01/2017
816510^105003-17319105003Alfred Reich08/2024
81665^150217+78104998Lelio R Paula11/2016
8167(88*10^104989-1)/3104991Robert Price04/2020
8168(28*10^104972+149)/3104973Robert Price12/2019
816924927^16262+16262^24927104972Hans Havermann10/2020
81702^348703-113005104971Enzo Doria06/2014
8171(191*10^104956-17)/3104958Robert Price11/2021
81722^348612-809104943Yves Minet05/2013
8173(73*10^104942-1)/9104943Robert Price01/2015
81742^348583-350407104934Enzo Doria06/2015
81752^348531-949104919Yves Minet05/2012
817620^80636-59104910Lelio R Paula12/2016
81778*10^104893-13104894Robert Price08/2019
81792^348437+35104890Lelio R Paula09/2011
817825208^14487+14487^25208104890Hans Havermann09/2020
81802^348348+135104864Lelio R Paula09/2011
8181(29*10^104858+349)/9104859Robert Price06/2021
81826*10^104852-31104853Robert Price07/2020
8184(2^348284+9)/25104843Lelio R Paula12/2013
818375^55914-74104843Norbert Schneider01/2015
81852^348268+255255104840Lelio R Paula01/2017
818635540^891+891^35540104839Hans Havermann09/2020
81875^149985-52104836Lelio R Paula11/2016
81882^348224-20249104826Enzo Doria06/2013
8189(2^348217+2522)/2104824Stefano Morozzi09/2020
81902^348212-20105104823Enzo Doria06/2013
819124647^17898+17898^24647104819Hans Havermann10/2020
819220^80562+19104814Lelio R Paula12/2016
81932*10^104811-87104812Robert Price04/2018
81942^348149-20053104804Enzo Doria06/2013
8195Phi(341301,3)104792Henri Lifchitz12/2025
81962^348095-171104788Lelio R Paula09/2011
819725383^13412+13412^25383104769Hans Havermann09/2020
81982^348003-20377104760Enzo Doria06/2013
819926^74036-27104759Anonymous09/2024
82012^347994-741104757Lelio R Paula12/2016
8200(2^347993+2234)/2104757Stefano Morozzi01/2021
8202(2^347990+790)/2104756Stefano Morozzi09/2020
820325137^14702+14702^25137104756Hans Havermann09/2020
8204(13*2^347972-1)/282309104746Lelio R Paula03/2014
820512883^25484-25484^12883104740Norbert Schneider08/2022
82062^347910-109937104732Enzo Doria04/2014
8207(88*10^104709-637)/9104710Robert Price11/2020
8208(13*10^104702+71)/3104703Robert Price06/2021
82095^149794+28104702Lelio R Paula11/2016
8210105^51800-2104698Lelio R Paula10/2017
8211(16^86939+3^86939)/19104684Robert Price06/2013
8212(15^89009-1)/14104682Paul Bourdelais03/2010
82132^347731-18609104678Enzo Doria05/2013
82144*6^134519+7104677Lelio R Paula11/2014
8215(34*10^104672-259)/9104673Robert Price12/2021
821625321^13588+13588^25321104656Hans Havermann09/2020
82172^347625+5367104646Riley Fisher04/2023
82182^347612-18545104642Enzo Doria05/2013
82196^134465+95104635Lelio R Paula11/2016
8220(2^347588+3718)/2104635Stefano Morozzi09/2020
8221(166*10^104633-7)/3104635Robert Price11/2020
8222V(750972)/15019441104621Serge Batalov07/2024
82232^347517-17301104614Enzo Doria05/2013
8224(2^347493+3186)/2104606Stefano Morozzi09/2020
8225(2^347490+2574)/2104605Stefano Morozzi09/2020
82263^219222-310104596Lelio R Paula11/2016
822725993^10554+10554^25993104581Hans Havermann09/2020
8228(15*2^347399-1)/13104578Lelio R Paula03/2014
82292^347372-17853104570Enzo Doria05/2013
82302^347314+99104552Lelio R Paula09/2011
82312^347300-22233104548Enzo Doria06/2013
82322^347287-19845104544Enzo Doria06/2013
82332^347258-231191104536Harrison Mesh06/2022
8234(31*2^347254-1)/891104533Lelio R Paula03/2014
82355*F(250091)*(F(250091)-1)+1104532Serge Batalov04/2015
82367*2^347239-3104531Lelio R Paula09/2014
8237(3^219098-8)/514147439969104525Lelio R Paula12/2013
82385*3^219047+8104513Lelio R Paula09/2014
82392^347148-109073104502Enzo Doria04/2014
82402^347129-20145104497Enzo Doria06/2013
82414*10^104461-57104462Robert Price10/2018
82422^346999+198831104458Stefano Morozzi11/2024
82432^346996+166273104457Stefano Morozzi11/2024
82442^346997+105755104457Stefano Morozzi11/2024
82452^346997+115259104457Stefano Morozzi11/2024
82462^346992+97515104456Stefano Morozzi11/2024
82472^346992+169593104456Stefano Morozzi11/2024
82482^346994+182215104456Stefano Morozzi11/2024
82492^346994+187933104456Stefano Morozzi11/2024
8250(7*10^(2*52227+1)+9*10^52227-7)/9104455Robert Price10/2023


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: March, 08 2026 09:37 (Time in France)

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